Teshicage Originally published as A — 46 T. The chemical composition thus determined shall conform to the requirements speci? Lamellar content of a25 compositions shall be as agreed upon between manufacturer and purchaser. Steels shall exhibit fine fracture grain size when quenched from normal austenitizing temperatures.
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Mikajinn ASTM A Grade annealed, cold-drawn stress-relieved Coils A superscript epsilon e indicates an editorial change since the last revision or reapproval. Link to Active This link asttm always route to the current Active version of the standard. Originally published as A — 46 T. This specification covers high-carbon bearing-quality steel to be used in the manufacture of anti-friction bearings.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The scale used for rating the specimens shall be the Jernkontoret chart described in Practice E 45, Plate I-r. The sum of all lengths for each specimen shall be determined and expressed as total length per area inspected.
Magnetic Particle Method S3. Last previous edition A — This abstract is a brief summary of the referenced standard. Decarburization shall be measured using the microscopical methods described in Test Method E Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. The chemical composition thus determined shall conform to the requirements speci?
The polished face shall be longitudinal to the direction of rolling. All tests and inspections shall be made at the place of manufacture, unless otherwise agreed to. Decarburization and Surface Imperfections 9.
It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Users of this standard are expressly ashm that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own zstm.
When so included, a supplementary requirement shall have the same force as if it were in the body of the speci? Lamellar content of other compositions shall be as agreed upon between manufacturer and purchaser. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Where a single usable plate constitutes a heat, any three random ingots may be selected.
Your comments are invited either for revision of this standard adtm for additional standards and should be addressed to ASTM International Headquarters. Permissible variations in product analysis shall be in accordance with Speci? When two usable plates constitute a heat, two of the sample ingots shall be selected from the 2a95 usable plate poured.
Results are commonly expressed in millimeters per square metre. A — 98 Standard Speci? Materials shall conform to chemical compositions as specified herein, and to physical size and shape as agreed upon between the manufacturer and purchaser.
ASTM A, High-Carbon Bearing Steel The magnetic particle a measures bearing steel cleanliness by evaluating the total length of macro-inclusions for a stated area or per unit area. Chemical Composition and Analysis 5. ASTM International takes no position respecting the validity of axtm patent rights asserted in connection with any item mentioned in this standard.
At least one sample shall be taken from each strand. Sulfur Requirement for Machinability S4. A number in parentheses indicates the year of last reapproval. TOP Related Articles.
More A Materials shall conform to chemical compositions as specified herein, and to physical size and shape as agreed upon between the manufacturer and purchaser. Steels shall exhibit fine fracture grain size when quenched from normal austenitizing temperatures. Decarburization and surface imperfections shall not exceed the limits also specified herein.
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